#!/usr/bin/env python
# vim: set fileencoding=utf-8 :

import os
import sys
import glob
import pkg_resources


# -- General configuration -----------------------------------------------------

# If your documentation needs a minimal Sphinx version, state it here.
needs_sphinx = '1.3'

# Add any Sphinx extension module names here, as strings. They can be extensions
# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
extensions = [
    'sphinx.ext.todo',
    'sphinx.ext.coverage',
    'sphinx.ext.ifconfig',
    'sphinx.ext.autodoc',
    'sphinx.ext.autosummary',
    'sphinx.ext.doctest',
    'sphinx.ext.graphviz',
    'sphinx.ext.intersphinx',
    'sphinx.ext.napoleon',
    'sphinx.ext.viewcode',
    #'matplotlib.sphinxext.plot_directive'
    ]

import sphinx
if sphinx.__version__ >= "1.4.1":
    extensions.append('sphinx.ext.imgmath')
    imgmath_image_format = 'svg'
else:
    extensions.append('sphinx.ext.pngmath')

# Be picky about warnings
nitpicky = True

# Ignores stuff we can't easily resolve on other project's sphinx manuals
nitpick_ignore = []

# Allows the user to override warnings from a separate file
if os.path.exists('nitpick-exceptions.txt'):
    for line in open('nitpick-exceptions.txt'):
        if line.strip() == "" or line.startswith("#"):
            continue
        dtype, target = line.split(None, 1)
        target = target.strip()
        try: # python 2.x
            target = unicode(target)
        except NameError:
            pass
        nitpick_ignore.append((dtype, target))

# Always includes todos
todo_include_todos = True

# Generates auto-summary automatically
autosummary_generate = True

# Create numbers on figures with captions
numfig = True

# If we are on OSX, the 'dvipng' path maybe different
dvipng_osx = '/opt/local/libexec/texlive/binaries/dvipng'
if os.path.exists(dvipng_osx): pngmath_dvipng = dvipng_osx

# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']

# The suffix of source filenames.
source_suffix = '.rst'

# The encoding of source files.
#source_encoding = 'utf-8-sig'

# The master toctree document.
master_doc = 'index'

# General information about the project.
project = u'bob.example.extension'
import time
copyright = u'%s, Idiap Research Institute' % time.strftime('%Y')

# Grab the setup entry
distribution = pkg_resources.require(project)[0]

# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = distribution.version
# The full version, including alpha/beta/rc tags.
release = distribution.version

# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#language = None

# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#today = ''
# Else, today_fmt is used as the format for a strftime call.
#today_fmt = '%B %d, %Y'

# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
exclude_patterns = ['links.rst']

# The reST default role (used for this markup: `text`) to use for all documents.
#default_role = None

# If true, '()' will be appended to :func: etc. cross-reference text.
#add_function_parentheses = True

# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
#add_module_names = True

# If true, sectionauthor and moduleauthor directives will be shown in the
# output. They are ignored by default.
#show_authors = False

# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'

# A list of ignored prefixes for module index sorting.
#modindex_common_prefix = []

# Some variables which are useful for generated material
project_variable = project.replace('.', '_')
short_description = u'Example for using Bob inside a C++ extension of a buildout project'
owner = [u'Idiap Research Institute']


# -- Options for HTML output ---------------------------------------------------

# The theme to use for HTML and HTML Help pages.  See the documentation for
# a list of builtin themes.
import sphinx_rtd_theme
html_theme = 'sphinx_rtd_theme'

# Theme options are theme-specific and customize the look and feel of a theme
# further.  For a list of options available for each theme, see the
# documentation.
#html_theme_options = {}

# Add any paths that contain custom themes here, relative to this directory.
html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]

# The name for this set of Sphinx documents.  If None, it defaults to
# "<project> v<release> documentation".
#html_title = None

# A shorter title for the navigation bar.  Default is the same as html_title.
#html_short_title = project_variable

# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
html_logo = 'img/logo.png'

# The name of an image file (within the static path) to use as favicon of the
# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
html_favicon = 'img/favicon.ico'

# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
#html_static_path = ['_static']

# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
# using the given strftime format.
#html_last_updated_fmt = '%b %d, %Y'

# If true, SmartyPants will be used to convert quotes and dashes to
# typographically correct entities.
#html_use_smartypants = True

# Custom sidebar templates, maps document names to template names.
#html_sidebars = {}

# Additional templates that should be rendered to pages, maps page names to
# template names.
#html_additional_pages = {}

# If false, no module index is generated.
#html_domain_indices = True

# If false, no index is generated.
#html_use_index = True

# If true, the index is split into individual pages for each letter.
#html_split_index = False

# If true, links to the reST sources are added to the pages.
#html_show_sourcelink = True

# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
#html_show_sphinx = True

# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
#html_show_copyright = True

# If true, an OpenSearch description file will be output, and all pages will
# contain a <link> tag referring to it.  The value of this option must be the
# base URL from which the finished HTML is served.
#html_use_opensearch = ''

# This is the file name suffix for HTML files (e.g. ".xhtml").
#html_file_suffix = None

# Output file base name for HTML help builder.
htmlhelp_basename = project_variable + u'_doc'


# -- Post configuration --------------------------------------------------------

# Included after all input documents
rst_epilog = """
.. |project| replace:: Bob
.. |version| replace:: %s
.. |current-year| date:: %%Y
""" % (version,)

# Default processing flags for sphinx
autoclass_content = 'class'
autodoc_member_order = 'bysource'
autodoc_default_flags = [
  'members',
  'undoc-members',
  'inherited-members',
  'show-inheritance',
  ]

# For inter-documentation mapping:
from bob.extension.utils import link_documentation, load_requirements
sphinx_requirements = "extra-intersphinx.txt"
if os.path.exists(sphinx_requirements):
  intersphinx_mapping = link_documentation(
      additional_packages=['python','numpy'] + \
          load_requirements(sphinx_requirements)
          )
else:
  intersphinx_mapping = link_documentation()


# We want to remove all private (i.e. _. or __.__) members
# that are not in the list of accepted functions
accepted_private_functions = ['__array__']

def member_function_test(app, what, name, obj, skip, options):
  # test if we have a private function
  if len(name) > 1 and name[0] == '_':
    # test if this private function should be allowed
    if name not in accepted_private_functions:
      # omit privat functions that are not in the list of accepted private functions
      return skip
    else:
      # test if the method is documented
      if not hasattr(obj, '__doc__') or not obj.__doc__:
        return skip
  return False

def setup(app):
  app.connect('autodoc-skip-member', member_function_test)
